Where do scientists believe the missing carbon is going? Why are they not sure? (Site 2)
As an AI language model, I cannot generate output without input context. Kindly provide me with the necessary details or web link you mentioned as Site 2 to assist you effectively.
Scientists believe that the missing carbon from the Earth's atmosphere is being absorbed by the oceans and terrestrial ecosystems, but they are not entirely sure about the exact distribution and storage mechanisms. The uncertainty arises from the complexity of the carbon cycle and the challenges of accurately measuring and tracking carbon fluxes.
Carbon can be absorbed by the oceans through a process called oceanic carbon uptake. This occurs when carbon dioxide (CO2) dissolves in seawater, forming carbonic acid, which then reacts with the surrounding water to produce bicarbonate ions and carbonate ions. These ions, along with dissolved organic carbon, are taken up by marine organisms and eventually become incorporated into the deep ocean ecosystems.
Terrestrial ecosystems, including forests, grasslands, and wetlands, also play a significant role in carbon uptake. Plants absorb atmospheric CO2 through photosynthesis, converting it into organic carbon. This carbon is stored in plant tissues, soils, and woody material. However, the exact extent and capacity of terrestrial carbon sinks are still under investigation.
To better understand the fate of the missing carbon, scientists use a variety of methods, including satellite observations, direct measurements of carbon fluxes, and modeling techniques. However, these methods have their limitations and uncertainties, which contribute to the ongoing research and debate in this area.
In summary, scientists believe that the missing carbon is being absorbed by the oceans and terrestrial ecosystems, but the exact storage and distribution mechanisms are not yet fully understood due to the complexity of the carbon cycle and the challenges in measuring and tracking carbon fluxes.